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ISO 5399:1984
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Leather -- Determination of water-soluble magnesium salts -- EDTA titrimetric method

This standard was last reviewed* in 2009.

*ISO standards are reviewed every five years.

Abstract

Principle: Aqueous extraction of a test portion, followed by the evaporation and drying at 102 +/-2 degrees centigrade, and sulfating and ashing of the residue at 800 degrees centigrade, to yield the water-soluble inorganic matter. Treatment of the residue with hydrochloric acid, and titration with standard volumetric disodium ethylenedinitrilotetraacetate solution.

 

  • Edition: 1 (Monolingual) ICS: 59.140.30
    Status: Withdrawn Stage: 95.99 (2009-09-24)
    TC/SC: IULTCS Number of Pages:
  • No revision information available

  • No corrigenda or amendments available

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